What is the equilibrium constant of a denatured protein given melting temperature?

Answer:

dddddddddddddd

ddddddddddddddddd

Explanation:

\(5mol \times \frac{22.4lit}{1mol} = 112lit\)

Based on the chemical equation of the reaction, S (sulfur) was oxidized and N (nitrogen) was reduced.

The correct option is C.

A redox reaction is a name for a reduction-oxidation reaction.

In a redox reaction, oxidation and reduction occur during the reaction.

Oxidation involves a loss of electrons and results in an increase in the oxidation number of the oxidized species.

Reduction involves a gain of electrons and results in a decrease in the oxidation number of the reduced species.

Considering the given equation of reaction:

3 SO₂ + 2 HNO₃ + 2 H₂O → 3 H₂SO₄ + 2 NO

The oxidation number of nitrogen changes from +5 in HNO₃to +2 in NO. Hence, it is reduced.

The oxidation number of sulfur changes from +4 tin SO₂ to +6 in H₂SO₄. Hence it is oxidized.

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Answer:

the force acting on Jennifer is 180 N

Explanation:

The computation of the force acting on Jennifer is shown below:

As we know that

Force = mass × acceleration

= 60 kg × 3 m/s

=  180 N

hence, the force acting on Jennifer is 180 N

We simply applied the above formula

The percent error for density measurement obtained using a graduated cylinder is 0.05056% and the percent error for density measurement obtained using the burette is 0.10044%.

Now, the percent error for density using the graduated cylinder:

% error = (0.9975 - 0.997044) / 0.997044 x 100% = 0.05056%

And, the percent error for density using the burette:

% error = (0.9980 - 0.997044) / 0.997044 x 100% = 0.10044%

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It always takes specific quantity of energy to remove only 1 electron from an atom.

Electron is a stable sub atomic particle with a charge of negetive electricity found in all atoms and acting as the primary Carrier of electricity in solid.

Sol-This is shown by the equation where this is  the orbit of the electron around a proton is equal to the quantum. The quantities by energy level, times by wavelength. So this is this equation and then abruptly hypothesis in links quantities. Energy states with a standing wave function so as that the energy of the election on increases its orbit must also increase. And as it is considering the wavelength, we're assuming statnon is constant. It's not to the changing and two pies just by a constant.

As the energy or quantifies energy level of an electron increases the  its radius around the nucleus must increase. Also, if its energy level of the decreases, its radius must also decrease. So this is the hypothesis ties together quantities, energy levels and the relationship and its relationship by it with the size of the circumference of around it. A nucleus which is also to  the Electron.

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Answer:

CaCO3 (s)

Explanation:

This equation is a double replacement equation, which means that since Na and Cl and paired, Ca and CO3 will be paired.

Then, you look at the charge of each element and balance

Ca has a 2+ charge

CO3 has a 2- charge

The 2+ charge and the 2- charge will cancel so there is no need for a  subscript or to balance the equation

The complete equation will be Na2CO3 (aq) + CaCl2(aq) -> NaCl (aq) + CaCO3 (s)

I hope this helps and have a great day!

Answer:

the answer is 6.5 x 10^4

Answer:

6.5 x 10^4

Explanation:

An iceberg has a volume of 7670 cubic feet. The mass of the ice (in kg) composing the iceberg is 0.0002483 kg

The volume of iceberg = 7670 cubic feet.

Density of ice = 0.917 g/cm\(^{3}\)

so, Density is given by,

Density = mass / volume

density of ice =  (0.917 /1000) kg/cm\(^{3}\)

1 cm\(^{3}\) = 0.00003531 ft\(^{3}\)

therefore,

0.000917 kg/cm\(^{3}\) = (0.000917 × 0.00003531 ) kg/ft\(^{3}\)

                            = 0.0000000324 kg/ft\(^{3}\)

now,putting the values in formula , we get,

Density = mass / volume

mass = density × volume

         = (0.0000000324 × 7670 ) kg

         = 0.0002483 kg

Hence,An iceberg has a volume of 7670 cubic feet. The mass of the ice (in kg) composing the iceberg is 0.0002483 kg.

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A. 1. CH3CO2H (Acetic acid), can donate one H+ ion per molecule.

Why does CH3CO2H (Acetic acid) donate 1  H+ ion per molecue?

CH3CO2H (Acetic acid) is a weak acid that partially ionsizes in water, producing the acetate ion (CH3CO2-) and one hydrogen ion (H+).

The following is the dissociation response: CH3CO2H equals CH3CO2 + H+. Subsequently, for every particle of acidic corrosive, just a single H+ particle is delivered.

This is in line with the definition of a monoprotic acid, which is an acid that, when dissolved in water, can donate only one hydrogen ion per molecule. In this way, the response is A. 1.

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The acid CH₂CO₂H, also known as acetic acid, can donate one H⁺ ion per molecule. (A)

This is because acetic acid has one acidic hydrogen atom that can dissociate in water, forming a hydronium ion (H₃O⁺) and a acetate ion (CH₃COO⁻). Therefore, the maximum number of H⁺ ions that can be donated per molecule of acetic acid is one.

Acids are compounds that can donate H⁺ ions when they are dissolved in water. Acids with more than one acidic hydrogen atom, such as sulfuric acid (H₂SO₄) or phosphoric acid (H₃PO₄), can donate more than one H⁺ ion per molecule. However, in the case of acetic acid, it only has one acidic hydrogen atom, so it can only donate one H⁺ ion per molecule.

This information is important in understanding the properties and behavior of acids, and in calculating the pH of solutions containing acetic acid. It also highlights the importance of understanding the chemical structure and properties of individual compounds in order to accurately predict their behavior in different environments.(A)

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Answer:

1. B

2. C

Explanation: The law that the properties of the elements are periodic functions of their atomic numbers. And the second one is, most of the air we breathe is made of oxygen.

Answer:

Trilobite fossils are found worldwide, with many thousands of known species. ... Because of their diversity and an easily fossilized exoskeleton, they left an extensive fossil record with some 17,000 known species spanning Paleozoic time.

Let me know if this help

Explanation:

Depending on the area and the movement of the plates, the fossils would be kind of close to each other. Maybe about a couple feet at the farthest in one area, almost everywhere.

The time taken for the decomposition to occur is  109 hours.

When we are told that the reaction is a decomposition this implies tat the process would follow the first order kinetics as we can see in the question.

Initial pressure of the pure gas = 600. mmHg or 0.79 atm

Final pressure of the system =  1.000 atm

Final pressure of the pure gas =  1.000 atm - 0.79 atm = 0.21 atm

We now have;

0.693/\(t_{\frac{1}{2} }\) = 2.303/t log Po/P

\(t_{\frac{1}{2} }\)  half life of the system

t = time taken

Po = initial pressure of the pure gas

P = final pressure of the pure gas

Then;

0.693/ 8.75 = 2.303/t log 0.79/0.21

0.0792 = 8.66/t

t =  8.66/0.0792

t = 109 hours

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Answer:

Ionic compounds conduct electricity when molten (liquid) or in aqueous solution (dissolved in water), because their ions are free to move from place to place. Ionic compounds cannot conduct electricity when solid, as their ions are held in fixed positions and cannot move.

Explanation:

The reaction of (R)-1-bromo-4-methylhexane with sodium cyanide (NaCN) in the presence of a polar aprotic solvent such as DMSO or DMF is a nucleophilic substitution reaction, known as a S**N2 reaction.

The nucleophile (CN-) attacks the carbon atom bearing the leaving group (Br-) from the backside, leading to inversion of stereochemistry at the stereocenter. The reaction can be represented as follows:

(R)-1-bromo-4-methylhexane + NaCN → (S)-4-methylhexanenitrile + NaBr

The major product formed is (S)-4-methylhexanenitrile, where the nitrile functional group (-CN) has replaced the bromine atom.

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Answer:

okey brooooooooooooooo

no se ingles solo spanish

Explanation:

todoooooooooooooooooooooo bien bro

If a compound rotates plane-polarized light in a clockwise direction, the compound is called dextrorotatory, and is labeled d

If a compound rotates plane-polarized light in a anti- clockwise direction, the compound is called levorotatory compound is labeled as l.

An enantiomers rotate the plane polarized light in clockwise direction or positive direction is called dextrorotatory. given as [(+), d- ]. while enantiomers that rotates plane polarized light in anti - clock wise direction or negative direction is called levorotatory compound . given as [ (-) , l-].

Thus, If a compound rotates plane-polarized light in a clockwise direction, the compound is called dextrorotatory, and is labeled d

If a compound rotates plane-polarized light in a anti- clockwise direction, the compound is called levorotatory compound is labeled as l.

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Answer:

0.96 g/cm3, and it will float!

Explanation:

I've explained how to do this before (remember me? lol), but ig I'll do it again..

By looking at the graph you can see that Object C has a mass of ~24 grams and a volume of ~25 cm3

Density = Mass/Volume -> 24 grams/25 cm3 = 0.96 g/cm3

Density of water is 1 g/cm3

Object C is less dense than water and therefore will float (just barely, though)

:)

When the two atoms form a covalent bond the energy is released to gain stability. Therefore, option (B) is correct.

A covalent bond can be described as a chemical bond that involves the sharing of electrons to create electron pairs between atoms. These shared electron pairs are bonding pairs.

For many molecules, the sharing of electrons permits each atom to gain the equivalent of a complete valence shell, corresponding to a stable electronic configuration.

Atomic orbitals have directional properties leading to different kinds of covalent bonds. Sigma bonds are known to be the strongest covalent bonds and are due to the head-on overlapping of orbitals. Pi (π) bonds are weaker due to sidewise overlaps between p (or d) orbitals.

When a covalent bond forms, then the energy is released and two atoms form a bond by sharing their electrons with the liberation of heat.

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Answer:

1.1 for 3d, 0.76 for 16d.

Explanation:

You divide the mass of one nail by the nail size.... I think

Gasoline blending in petroleum refineries involves analyzing the properties of different components and determining the optimal mixing ratios to produce gasoline that meets specific octane rating and quality requirements.

Gasoline blending is a critical process in petroleum refineries where different components are combined to produce the desired gasoline product. In this example, the challenge is to blend gasoline from three different components.

To solve the gasoline blending problem, various factors need to be considered such as the desired octane rating, volatility, and environmental regulations. The first step is to determine the optimal proportion of each component based on their individual characteristics. This involves analyzing the properties of each component, such as its research octane number (RON), motor octane number (MON), and vapor pressure.

The second step is to develop a blending strategy that achieves the desired gasoline specifications. This involves determining the appropriate mixing ratios of the three components to meet the target octane rating and other quality requirements. The blending process requires precise calculations and adjustments to ensure the final gasoline product meets the desired specifications.

Additionally, economic considerations play a role in gasoline blending. The cost of each component and the market demand for specific gasoline grades can influence the blending decisions. Refineries aim to optimize the blend to minimize costs while meeting quality standards.

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Answer:

electrons

galvanic

half-

electrode

Explanation:

I got it right :)

The words that complete each of the blanks in the question are;

A voltaic cell is one that produces energy by a sponteanous chemical reaction. A voltaic cell is a type of electrochemical cell.

The following are the words that complete the individual blanks';

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Answer:

Soluble

Explanation:

hope this helps

Answer:

57.0kJ/mol is ΔH of the reaction

Explanation:

The reaction is:

1/2 Ba(OH)₂ + HCl → 1/2 BaCl₂ + H₂O + ΔH.

Where  ΔH is the heat of reaction per mole of water.

Moles of water produced are equal to moles of HCl that are:

70.0mL = 0.070L * (0.640mol / L) = 0.0448moles HCl = Moles of water produced.

Now, heat produced is determined using coffee-cup calorimeter equation:

Q = m×ΔT×C

Where Q is heat released

m is mass of solution (70mL + 70mL = 140mL = 140g -Density of 1g/mL-)

ΔT is change in temperature (27.36°C - 23.00°C = 4.36°C)

And C is specific heat of the solution (4.184J/gK)

Replacing:

Q = 140g×4.36°C×4.184J/gK

Q = 2553.9J

This is the heat released when 0.0448 moles of water are produced, that means ΔH is:

2553.9J / 0.0448moles

ΔH = 57000J/mol =

Answer:

D. 6.02 x 1023

Explanation:

did the test !!

6.022×10²³ atoms are in one mole of potassium. Therefore, the correct option is option D.

In chemistry, a mole, usually spelt mol, is a common scientific measurement unit for significant amounts of very small objects like atoms, molecules, and other predetermined particles. The mole designates 6.022×10²³ units, which is a very large number. For the Worldwide System of Units (SI), the mole is defined as this number as of May 20, 2019, according to the General Meeting on Measurement and Weights.

The quantity of atoms discovered through experimentation to be present in 12 grammes of carbon-12 was originally used to define the mole. The total quantity of atoms discovered through experimentation to be present in 12 grammes of carbon-12 was originally used to define the mole. 6.022×10²³ atoms are in one mole of potassium.

Therefore, the correct option is option D.

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Answer:

number of protons

Explanation:

The number of protons determines an element's atomic number and is used to distinguish one element from another. 

Answer:

increases

Explanation:

it turns out that an object increases as the square of it's speed.

Answer:

Explanation:

In all physical processes taking place in closed systems, the amount of change in kinetic energy is equal to the amount of change in potential energy. If the kinetic energy increases, the potential energy decreases, and vice-versa. this equation reveals that the kinetic energy of an object is directly proportional to the square of its speed. That means that for a twofold increase in speed, the kinetic energy will increase by a factor of four. so therfore stays the same as the object so it would speed up as well.

Answer:

B

Explanation:

Answer:

b

Explanation:

The splitting of the signal in the IH NMR spectrum for the methyl protons of 1-bromo-2-methylpropane is a triplet. (C)

In proton NMR, the number of peaks and their relative intensity provides information about the number and types of hydrogen atoms in a molecule.

The splitting of the signal, or the number of peaks, is caused by the interaction between neighboring hydrogen atoms.

For 1-bromo-2-methylpropane, the methyl protons are attached to a carbon atom that is adjacent to two other hydrogen atoms, which causes the signal to split into three peaks of equal intensity, resulting in a triplet.

This splitting pattern is known as a first-order splitting pattern, and the intensity of the peaks is determined by the number of neighboring hydrogen atoms.

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Answer:

About 7.109g

Explanation:

25000mL is the same as 25 liters.

\(PV=nRT \\\\0.5 (25)=n (0.0821) (300) \\\\n\approx 0.508\)

Multiplying this by the molar mass of nitrogen, you get about 7.109 grams of nitrogen. Hope this helps!